/Engine/Plugins/Runtime/nDisplay/Source/DisplayCluster/Public/Render/Viewport/Containers/DisplayClusterViewport_RenderSettings.h
Call this after UpdateSettings()
void AssignParentViewport ( const [FString](API\Runtime\Core\Containers\FString) & InParentViewportId, const [FDisplayClusterViewport_RenderSettings](API\Plugins\DisplayCluster\Render\Viewport\Containers\FDisplayClusterV-_4) & InParentSettings, bool Inherit )